import java.util.concurrent.locks.ReentrantLock;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 19182
 * Date: 2025-08-25
 * Time: 21:17
 */
public class demo11 {
    private static int count = 0;
    public static void main(String[] args) throws InterruptedException {
        ReentrantLock locker = new ReentrantLock();
        Thread t1 = new Thread(()->{
            for(int i = 0; i < 50000; i++){
                try{
                    locker.lock();
                    count++;
                }finally {
                    locker.unlock();
                }


            }
        });
        Thread t2 = new Thread(()->{
           for(int i = 0; i < 50000; i++){
               try {
                   locker.lock();;
                   count++;
               }finally {
                   locker.unlock();
               }


           }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println(count);
    }
}
